Home / 7,118.12-10,669.75-2,436.75

Finding the Fourth Proportional to 7,118.12, 10,669.75 and 2,436.75

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Solution

The fourth proportional to 7,118.12, 10,669.75 and 2,436.75 is: 3,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.12 : 10,669.75 = 2,436.75 : x
  2. Step 2: Convert to fraction form
    7,118.12/10,669.75 = 2,436.75/x
  3. Step 3: Cross multiply
    7,118.12x = 10,669.75 × 2,436.75
  4. Step 4: Simplify right side
    7,118.12x = 25,999,513.31
  5. Step 5: Solve for x
    x = 25,999,513.31/7,118.12
  6. Step 6: Final answer
    x = 3,652.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.